English verb conjugation
COULD COURSE

Regular verb: course - coursed - coursed

Affirmation

Simple form	V-ing form
I could course you could course he could course we could course you could course they could course	I could be coursing you could be coursing he could be coursing we could be coursing you could be coursing they could be coursing
Perfect	V-ing perfect
I could have coursed you could have coursed he could have coursed we could have coursed you could have coursed they could have coursed	I could have been coursing you could have been coursing he could have been coursing we could have been coursing you could have been coursing they could have been coursing

Negation

Simple form	V-ing form
I could not course you could not course he could not course we could not course you could not course they could not course	I could not be coursing you could not be coursing he could not be coursing we could not be coursing you could not be coursing they could not be coursing
Perfect	V-ing perfect
I could not have coursed you could not have coursed he could not have coursed we could not have coursed you could not have coursed they could not have coursed	I could not have been coursing you could not have been coursing he could not have been coursing we could not have been coursing you could not have been coursing they could not have been coursing

Interrogative form

Simple form	V-ing form
could I course? could you course? could he course? could we course? could you course? could they course?	could I be coursing? could you be coursing? could he be coursing? could we be coursing? could you be coursing? could they be coursing?
Perfect	V-ing perfect
could I have coursed? could you have coursed? could he have coursed? could we have coursed? could you have coursed? could they have coursed?	could I have been coursing? could you have been coursing? could he have been coursing? could we have been coursing? could you have been coursing? could they have been coursing?

Interro-negative form

Simple form	V-ing form
could I not course? could you not course? could he not course? could we not course? could you not course? could they not course?	could I not be coursing? could you not be coursing? could he not be coursing? could we not be coursing? could you not be coursing? could they not be coursing?
Perfect	V-ing perfect
could I not have coursed? could you not have coursed? could he not have coursed? could we not have coursed? could you not have coursed? could they not have coursed?	could I not have been coursing? could you not have been coursing? could he not have been coursing? could we not have been coursing? could you not have been coursing? could they not have been coursing?